Plank



FIG. 1 is a rear perspective view of a plank, showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof, the bottom view being a mirror image ofthe top view;

FIG. 7 is a sectional view thereof taken along line 7-7 in FIG. 2;

FIG. 8 is a sectional view thereof taken along line 8-8 in FIG. 2;and

FIG. 9 is a sectional view thereof taken along line 9-9 in FIG. 2; and,

FIG. 10 is a sectional view thereof taken along line 10-10 in FIG. 2.

CLAIM The ornamental design for a plank, as shown and described.